Bitcoin Optech: Newsletter #416 Recap

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Rob Hamilton, PortlandHODL, Chandra Pratap, and fabohax to discuss Newsletter #416.

Action items

● Move funds secured by COLDCARD-generated keys (1:07)

News

● Wallets generated by COLDCARD at risk of theft (2:18)

● Disclosure of two DoS vulnerabilities in Core Lightning (36:26)

● Proof of concept for a zero-knowledge proof of reserves (49:54)

Selected Q&A from Bitcoin Stack Exchange

● What is Bitcoin's objective definition of transaction neutrality? (1:03:07)

● Why does BIP110's decentralization benefit not outweigh its impact on transaction neutrality? (1:05:17)

● Why does BIP110 require a 55% signaling threshold if its nodes reject non-signaling blocks? (1:09:46)

● Why use ElligatorSwift encoding in BIP324? (1:17:12)

● Was the OP_SUCCESSx reservation in BIP342 designed with specific opcode families in mind? (1:25:36)

● What is the difference between the long-term feerate and the discard feerate? (1:29:14)

● What is the quickest method for migrating a legacy wallet to a descriptor wallet on a pruned node? (1:32:40)

● Is there historical data on orphan/stale block rates during high-fee periods? (1:36:09)

Releases and release candidates

● BTCPay Server 2.4.1 (1:41:25)

● Eclair 0.14.1 (1:42:14)

Notable code and documentation changes

● Bitcoin Core #34628 (1:44:26)

● Bitcoin Core #28463 (1:49:49)

● Bitcoin Core #32800 (1:54:18)

● Bitcoin Core #34683 (1:56:54)

● Bitcoin Core #33014 (1:58:09)

● Eclair #3325 (1:59:31)

● BOLTs #1346 (2:00:57)

● BOLTs #1344 (2:01:01)

● BOLTs #1343 (2:04:14)

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